LG LSE4613ST Service Manual page 66

CHECKING FLOW CHART BY FAILURE
Oven does NOT heat, F9?
Unplug the unit
1
Is the Connector
disconnected or loose?
(1) Electric wiring of Relay
PCB All taps.
(2) Electric wiring of electric
element
Broil
Conv.
Heater
Reconnect. If
Yes
defective
harness,
Replace or fix
No
2
Check the resistance
of each heater. Normal?
(Measure the resistance after
cooling down. The resistance
is shown below)
9-6
No
Replace the
failed heater
Broil
Conv. Heater
yes